At least 12 pedestrians mowed down on bridge in London.

Four-wheel drive car said to have driven over Westminster Bridge in London knocking down pedestrians this afternoon. 'Asian' knifeman then got into the grounds of Parliament where he reportedly stabbed a police officer
The 'middle-aged' attacker was then shot by armed officers as the area was cleared by emergency services. Parliament was suspended and the Prime Minister was rushed from the scene in an unmarked police car.

A knifeman was shot by armed police in the grounds of Parliament today after pedestrians were mowed down in a terror attack on Westminster Bridge.
More than 12 people are said to have been hit by a car on the central London bridge after a vehicle described as a '4x4' drove into pedestrians and cyclists.
An intruder, described by a witness as 'middle-aged and Asian', then managed to break into the grounds of the Houses of Parliament and stabbed a police officer before he was shot.
Prime Minister Theresa May is said to have been bundled into a car by a plain-clothes police officer and driven quickly from the scene.

A police officer was stabbed by the knifeman before he was shot by other officers. Paramedics are now treating the injured.

Members of the public rushed to help a man run down after the vehicle mounted the pavement on Westminster Bridge.

An injured victim walks from the scene on Westminster Bridge where more than 10 people were reported knocked down.

After the shooting.

It is believed this was the series of events this afternoon where a knife attacker drove into pedestrians before he was shot.

A pedestrian lies stricken on Westminster Bridge after reports a car knocked down people near the Houses Parliament.

Police closed off the bridge today while members of the public and paramedics helped those injured on the bridge.